Finding the Fourth Proportional to 2,825,413.13, 3,899,042.94 and 1,536,253.79
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Solution
The fourth proportional to 2,825,413.13, 3,899,042.94 and 1,536,253.79 is: 2,120,015.45
Step by Step Solution
- Step 1: Write the proportion equation
2,825,413.13 : 3,899,042.94 = 1,536,253.79 : x - Step 2: Convert to fraction form
2,825,413.13/3,899,042.94 = 1,536,253.79/x - Step 3: Cross multiply
2,825,413.13x = 3,899,042.94 × 1,536,253.79 - Step 4: Simplify right side
2,825,413.13x = 5,989,919,480,213.48 - Step 5: Solve for x
x = 5,989,919,480,213.48/2,825,413.13 - Step 6: Final answer
x = 2,120,015.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.